Why are the billing periods different for electricity and gas?

On some occasions, the electricity bill may issue before the gas bill if there is a delay with the gas bill. This can happen if there is an issue with meter readings. If previous bills have been over/under estimated and need to be amended, the reads can be delayed loading and the bill period will be up to the most recent reading, whether it is actual or estimated.

It is important to submit regular meter readings for both electricity and gas to reduce delays and ensure bills are accurate.